//package com.xz.expression;
//
//import com.xz.domain.LoginUser;
//import org.springframework.security.core.Authentication;
//import org.springframework.security.core.context.SecurityContextHolder;
//import org.springframework.stereotype.Component;
//
//import java.util.List;
//
//@Component("ex")
//public class SGExpressionRoot {
//
//    public boolean hasAuthority(String authority){
//        //获取当前用户的权限
//        Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
//        LoginUser loginUser = (LoginUser) authentication.getPrincipal();
//        List<String> permissions = loginUser.getPermissions();
//        //判断用户权限集合中是否存在authority
//        return permissions.contains(authority);
//    }
//}
